* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body,
#app {
    width: 100%;
    height: 100%;
    background-color: #f7f7f7;
    overflow: hidden;
}

#app {
    display: flex;
    flex-direction: column;
}

.main {
    flex: 1;
    display: flex;
    background-color: #fff;
    height: 0;
}

.header {
    height: 50px;
    border-bottom: 1px solid #e9e9e9;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    color: #666;
}

.header > div {
    display: flex;
    align-items: center;
}

.header > div > .el-button {
    margin-left: 20px;
}

.sidebar {
    width: 180px;
}

.content {
    flex: 1;
    overflow-y: scroll;
}

.overview {
    display: flex;
    justify-content: space-around;
    margin: 30px 0;
}

.overview > div {
    width: 20%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #fff;
    border-radius: 6px;
    box-shadow: 0 0 8px #dcdcdc;
    padding: 20px;
}

.overview > div > i {
    font-size: 50px;
    color: #666;
}

.overview > div > div {
    line-height: 50px;
    color: #666;
    font-size: 18px;
    font-weight: bold;
}

.overview > div:nth-child(1) > i {
    color: #409EFF;
    text-shadow: 0 0 5px #5ea5fc;
}

.overview > div:nth-child(2) > i {
    color: #67C23A;
    text-shadow: 0 0 5px #80d459;
}

.overview > div:nth-child(3) > i {
    color: #F56C6C;
    text-shadow: 0 0 5px #f68989;
}

.overview > div:nth-child(4) > i {
    color: #E6A23C;
    text-shadow: 0 0 5px #efbe74;
}

.chart {
    width: 100%;
    height: 400px;
    margin-top: 60px;
}

body .el-table th.gutter {
    display: table-cell !important;
}
